Home / 21,286.02-29,374.74-12,335.24

Finding the Fourth Proportional to 21,286.02, 29,374.74 and 12,335.24

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Solution

The fourth proportional to 21,286.02, 29,374.74 and 12,335.24 is: 17,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286.02 : 29,374.74 = 12,335.24 : x
  2. Step 2: Convert to fraction form
    21,286.02/29,374.74 = 12,335.24/x
  3. Step 3: Cross multiply
    21,286.02x = 29,374.74 × 12,335.24
  4. Step 4: Simplify right side
    21,286.02x = 362,344,467.84
  5. Step 5: Solve for x
    x = 362,344,467.84/21,286.02
  6. Step 6: Final answer
    x = 17,022.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.